Orioles right-hander Jason Hammel will have an MRI on Thursday to determine the extent of damage in his sore right knee.Hammel left Tuesday night's game against Tampa Bay in the fourth inning. He was making his second start since undergoing surgery on the same knee in July.Hammel was originally slated to have the MRI on Wednesday, but said the exam was pushed back a day because of scheduling issues. Soource: ESPN
